The teachings of the sorceress Tezirah, many centuries before the Fall, swayed some among the High People to the belief that the destiny of Muraius was not stewardship of the earth, but total dominion over it.
It is said that Tezirah's gift was an insight into the abyss of time: there she saw the High People not in command only of this world, but of countless thousands of others, where there were many other Great Crystals and many other God Trees to possess.
Her fanatical viewpoint demanded that the High People view all other races as a means to an end, to be enslaved and raised to fight in a cosmic war. The Yevim history books do not speak of her uprising against the Yevim Queen in her time, or of the outcome of that war among the High People.
Nevertheless, the old teachings persist, and among the worshipers of Yevna is a secret order called The Left Hand of the Goddess, whose primary goal is to bring about Tezirah's vision of the future. Whether they were stymied by The Fall remains to be seen...